import java.util.ArrayList;


/**
 * This class represents a neuronal network consisting of many neurons.
 * 
 * @author andreas
 * @version 25th January 2013
 * 
 */
public class NeuronalNetwork
{
   ArrayList<ArrayList<Neuron>> _layersArrayList;

   /**
    * 
    * @param learningRate
    *           The new learning rate for ALL Neurons in this neuronal network.
    */
   public void setLearningRate(double learningRate)
   {

   }

   public void performBacktracking()
   {
      // update the layers one after another.
   }
}
